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L9969X датащи(PDF) 8 Page - STMicroelectronics

номер детали L9969X
подробное описание детали  Automotive chip for single and dual H-bridge
PDF  70 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9969X датащи(HTML) 8 Page - STMicroelectronics

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Pin #
Pin name
Description
I/O type Class
High-level disables the power stage (OUT21 and OUT22)
16
DIR2
Direction input of H-bridge2.
I
Local
17
PWM2
PWM input of H-bridge2.
Controls the frequency and the duty cycle of the power stage (OUT21 and OUT22).
I
Local
18
OUT22
Output 2 of H-bridge2
O
Global
19
PGND2
Power ground connection for H-bridge2.
G
Global
20
OUT21
Output 1 of H-bridge2
O
Global
21
NC
not connected.
-
-
22
NSS2
SPI-Slave Select input of H-bridge2.
I
Local
23
NC
not connected.
-
-
24
NC
not connected.
-
-
25
CF2
Current feedback of H-bridge2.
Signal is proportional to the positive current in active LS-transistor of H-bridge2.
O
Local
26
NABE2
Bidirectional Enable/Disable in-/output.
Open-drain output, switched to low at VDDx over and undervoltage condition.
Low level disables the power stage. (OUT21 and OUT22)
I/O
Local
27
GNDNABE1 Reference Ground of VDD1-monitoring of H-bridge 1
G
Local
28
AGND1
Ground connection for H-bridge1 (Device ground)
G
Local
29
TEST
Factory test-mode activation
I
Local
30
VDD1
5 V Supply for H-bridge1. Input for VDD1 monitoring.
P
Local
31
VS1
Supply voltage of H-bridge1 power stage
P
Global
32
VS1
Supply voltage of H-bridge1 power stage
P
Global
33
DIS1
Disable input of H-bridge1.
High-level disables the power stage (OUT11 and OUT12)
I
Local
34
DIR1
Direction input of H-bridge1.
I
Local
35
PWM1
PWM input of H-bridge1.
Controls the frequency and the duty cycle of the power stage (Out11 and Out 12).
I
Local
36
OUT12
Output 2 of H-bridge1.
O
Global
-
Exp. PAD
Exposed pad is connected to AGNDx
-
-
Note:
Legenda: I = Input, O = Output, P = Power Supply, G = Ground, I/O = Input/Output
L9969x
Block diagram and pin description
DS14029 - Rev 6
page 8/70



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